** Summary changed:
- rsyslog not omitted by sendsigs when managed by upstart/systemd
+ rsyslog stopped too early during shutdown/reboot
** Description changed:
+ The upstart job managing rsyslog includes a "stop on runlevel [06]"
+ clause that makes it terminate very early during the shutdown/reboot
+ sequence.
+
+ This prevents proper logging of the shutdown/reboot sequence. Since this
+ logging can be crucial rsyslog should be kept running for as long as
+ possible. As such, I believe that the "stop on" clause should be dropped
+ from the upstart job definition.
+
+
+ Original description:
+
When rsyslog is managed by the init script, it symlinks its PID to
/run/sendsigs.omit.d so that we can capture logs very late during the
shutdown sequence:
sendsigs_omit() {
- OMITDIR=/run/sendsigs.omit.d
- mkdir -p $OMITDIR
- ln -sf $PIDFILE $OMITDIR/rsyslog
+ OMITDIR=/run/sendsigs.omit.d
+ mkdir -p $OMITDIR
+ ln -sf $PIDFILE $OMITDIR/rsyslog
}
When rsyslog is managed by upstart this functionality is lost. I quickly
looked in Xenial's package and it seems this functionality is also
absent when run through systemd.
-
- P.S.: I'm trying to investigate a reboot sequence taking ~forever but for
which I have 0 log of the actual shutdown sequence:
+ P.S.: I'm trying to investigate a reboot sequence taking ~forever but
+ for which I have 0 log of the actual shutdown sequence:
Nov 10 22:00:46 node9 rsyslogd: [origin software="rsyslogd" swVersion="7.4.4"
x-pid="1603" x-info="http://www.rsyslog.com";] exiting on signal 15.
Nov 10 22:55:25 node9 rsyslogd: [origin software="rsyslogd" swVersion="7.4.4"
x-pid="1935" x-info="http://www.rsyslog.com";] start
This 55 minutes gap caused of lot of stress as the machine is a big iron
in a DC far away.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: rsyslog 7.4.4-1ubuntu2.6
ProcVersionSignature: Ubuntu 3.13.0-68.111-generic 3.13.11-ckt27
Uname: Linux 3.13.0-68-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Nov 11 14:14:54 2015
InstallationDate: Installed on 2014-01-26 (653 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
SourcePackage: rsyslog
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.logcheck.ignore.d.server.rsyslog: [deleted]
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https://bugs.launchpad.net/bugs/1515379
Title:
rsyslog stopped too early during shutdown/reboot
Status in rsyslog package in Ubuntu:
New
Bug description:
The upstart job managing rsyslog includes a "stop on runlevel [06]"
clause that makes it terminate very early during the shutdown/reboot
sequence.
This prevents proper logging of the shutdown/reboot sequence. Since
this logging can be crucial rsyslog should be kept running for as long
as possible. As such, I believe that the "stop on" clause should be
dropped from the upstart job definition.
Original description:
When rsyslog is managed by the init script, it symlinks its PID to
/run/sendsigs.omit.d so that we can capture logs very late during the
shutdown sequence:
sendsigs_omit() {
OMITDIR=/run/sendsigs.omit.d
mkdir -p $OMITDIR
ln -sf $PIDFILE $OMITDIR/rsyslog
}
When rsyslog is managed by upstart this functionality is lost. I
quickly looked in Xenial's package and it seems this functionality is
also absent when run through systemd.
P.S.: I'm trying to investigate a reboot sequence taking ~forever but
for which I have 0 log of the actual shutdown sequence:
Nov 10 22:00:46 node9 rsyslogd: [origin software="rsyslogd" swVersion="7.4.4"
x-pid="1603" x-info="http://www.rsyslog.com";] exiting on signal 15.
Nov 10 22:55:25 node9 rsyslogd: [origin software="rsyslogd" swVersion="7.4.4"
x-pid="1935" x-info="http://www.rsyslog.com";] start
This 55 minutes gap caused of lot of stress as the machine is a big
iron in a DC far away.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: rsyslog 7.4.4-1ubuntu2.6
ProcVersionSignature: Ubuntu 3.13.0-68.111-generic 3.13.11-ckt27
Uname: Linux 3.13.0-68-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Nov 11 14:14:54 2015
InstallationDate: Installed on 2014-01-26 (653 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
SourcePackage: rsyslog
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.logcheck.ignore.d.server.rsyslog: [deleted]
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